Collapsible three dimensional vector demonstration and measurement device



FIG. 1 is a perspective view of a collapsible three dimensional vector demonstration and measurement device in an open configuration showing my new design.

FIG. 2 is a front view of the device as depicted in FIG. 1.

FIG. 3 is a right side view of the device as depicted in FIG. 1.

FIG. 4 is a rear elevation view of the device as depicted in FIG. 1.

FIG. 5 is a left side elevation view of the device as depicted in FIG. 1.

FIG. 6 is a top plan view of the device as depicted in FIG. 1.

FIG. 7 is a bottom plan view of the device as depicted in FIG. 1; and,

FIG. 8 is a perspective view of the device in a collapsed configuration.

The broken lines are included for the purpose of illustrating portions of the collapsible three dimensional vector demonstration and measurement device that form no part of the claimed design. 

CLAIM We claim the ornamental design for a collapsible three dimensional vector demonstration and measurement device, as shown and described. 